Formby Bay Weather Forecast

    • 9
    • 17

    Showers

    • 8
    • 16

    Showers

    • 9
    • 16

    Possible shower

    • 8
    • 16

    Possible shower

    • 8
    • 16

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 18

    Partly cloudy

Today 11 Aug Yorke Peninsula

Cloudy. Very high chance of showers, most likely later this evening. The chance of a thunderstorm in the south early this evening. Winds northerly 20 to 30 km/h turning west to northwesterly in the evening.

Central Coastal Waters

Wind
West to northwesterly 20 to 30 knots turning southwesterly in the evening.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres in the west.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres by early evening.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm early this evening.
Weather Situation
A cold front crossing the western parts of SA will continue moving eastwards and cross the rest of the state overnight into the early parts of Wednesday. A ridge of high pressure will then push into SA from the west throughout Wednesday, with the associated high moving over SA on Thursday. The high then gradually drifts southwards to be located in vicinity of Tasmania over the weekend, as it continues extending a ridge across SA.
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Formby Bay Temperature Statistics View More

August Temperature

Stenhouse Bay (24km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12 °C

  • Highest 7 August, 2026

    19 °C

Climate (2021–2026)

Stenhouse Bay (24km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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